# 开放云书院 vs 寒武纪年

The clearest difference is review sentiment: 寒武纪年 at 86% against 开放云书院's 19%. 寒武纪年 also leads on rating (3.0 vs 2.0) and iOS requirement (10.0 vs 12.0). 开放云书院's advantage is in-app purchases (none vs 10) and ratings volume (620 vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. 寒武纪年 sells 10 one-off in-app purchases. 开放云书院 asks for nothing beyond the download.

寒武纪年 holds the better App Store score, 3.0 against 2.0. That said, the two scores are not equally well evidenced: 开放云书院 has 620 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 19% of 开放云书院's written reviews are positive against 86% of 寒武纪年's.

开放云书院 ships an update every 6 weeks, 寒武纪年 every 5 weeks. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 开放云书院 | 寒武纪年 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (620 ratings)](https://appshunter.io/ios/app/id979093695/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/bl/id1139992650/reviews)** |
| Number of ratings | **620** | 1 |
| Positive reviews | 19.0% of reviews | **86.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 121 MB | 95 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Open University of China Press Co., Ltd.](https://appshunter.io/developer/1486769998) | [Shanghai Shunduo Network Science and Technology Company Limited](https://appshunter.io/developer/1584098224) |

## What reviewers say

### 开放云书院

[App page](https://appshunter.io/ios/app/id979093695)

**In-app purchases:** none


### 寒武纪年

[App page](https://appshunter.io/ios/app/bl/id1139992650)

A community for original BL/Danmei romance stories, featuring audio dramas and interactive content creation. Participate in writing contests and get opportunities for your work to be adapted into audio or comics.

**Highlights:** Original BL/Danmei stories, Audio drama adaptations, Interactive community features, Writing contests and incentives, Content creation and sharing, Opportunities for adaptation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 三叶虫币840（12元） | $1.99 | one-time |
| 三叶虫币1750（25元） | $3.99 | one-time |
| 寒武会员31天 | $3.99 | one-time |
| 三叶虫币3500（50元） | $7.99 | one-time |
| 寒武会员91天 | $10.99 | one-time |
| 三叶虫币7560（108元） | $15.99 | one-time |
| 寒武会员184天 （148元减20元） | $19.99 | one-time |
| 寒武会员360天（288元减40元） | $37.99 | one-time |
| 寒武会员360天（288元减20元） | $41.99 | one-time |
| 寒武会员360天 | $45.99 | one-time |


## Frequently asked questions

### Is 开放云书院 free?

开放云书院 is free to download, with no in-app purchases.

### Is 寒武纪年 free?

寒武纪年 is free to download, with in-app purchases available.

### Which has better reviews, 开放云书院 or 寒武纪年?

寒武纪年 is rated higher. 开放云书院 averages 2.0 out of 5 from 620 ratings, while 寒武纪年 averages 3.0 from 1 ratings.

### Which is updated more often, 开放云书院 or 寒武纪年?

开放云书院 ships an update every 6 weeks, and 寒武纪年 every 5 weeks. Most recently, 开放云书院 was updated on September 27, 2026 and 寒武纪年 on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*